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## org.mule.module.json.filters
Class IsJsonFilter

    java.lang.Object
      org.mule.module.json.filters.IsJsonFilter

All Implemented Interfaces:
  Filter

    public class IsJsonFilter

extends Object
implements Filter

A filter that will determine if the current message payload is a JSON encoded message.

Field Summary
`protected Log` | `logger` logger used by this class

Constructor Summary
`IsJsonFilter()`

Method Summary
`boolean` | `accept(MuleMessage obj)` Check a given message against this filter.
`boolean` | `accept(Object obj)`
`boolean` | `isValidateParsing()`
`protected boolean` | `mayBeJSON(String string)` Tests if the String possibly represents a valid JSON String.
`void` | `setValidateParsing(boolean validateParsing)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### logger

    protected final transient Log logger

  logger used by this class

Constructor Detail

### IsJsonFilter

    public IsJsonFilter()

Method Detail

### accept

    public boolean accept(MuleMessage obj)

  Description copied from interface: `Filter`
  Check a given message against this filter.

  Specified by:
    `accept` in interface `Filter`
  Parameters:
    `obj` - a non null message to filter.
  Returns:
    `true` if the message matches the filter

### accept

    public boolean accept(Object obj)

### isValidateParsing

    public boolean isValidateParsing()

### setValidateParsing

    public void setValidateParsing(boolean validateParsing)

### mayBeJSON

    protected boolean mayBeJSON(String string)

  Tests if the String possibly represents a valid JSON String.

  Parameters:
    `string` - Valid JSON strings are:
    - "null"
    - starts with "[" and ends with "]"
    - starts with "{" and ends with "}"
  Returns:
    true if the test string starts with one of the valid json characters

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